—I was cleaning my room at nine o’clock yesterday morning. What about you? —We _______ in the classroom. A. read B. were reading C. are reading
-I hear we’ll have a new English teacher this term. -Really? Do you know?
While we were running on the playground, Jack suddenly stopped____ and lay on the ground,so we all stopped_____ what was wrong with him.
-Last night someone broke into our house. -Oh, dear! Anything?
-Will you please help me to repair the computer now? -Sorry, I’m too busy and I haven’t a minute to _______.
Food safety is important. Rules____ to stop people from food pollution.